diff --git a/Build/Dockerfile.Demo b/Build/Dockerfile.Demo
new file mode 100644
index 0000000..19d463d
--- /dev/null
+++ b/Build/Dockerfile.Demo
@@ -0,0 +1,9 @@
+# 注释: ENTRYPOINT 入口指令 
+FROM ubuntu
+ENTRYPOINT ["top"]
+CMD ["-c","-b"]
+
+# 构建镜像
+# docker build -f Dockerfile.Demo -t study.dockerfile.demo:latest -t study.dockerfile.demo:0.0.1 .
+
+# docker run -it --rm  study.dockerfile.demo
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